He actually has some talent, after all, he threw a perfect game last year. But mentally he is a wreck. Later on last year he showed up in the clubhouse before a game drunk, got into a fight with the manager, was throwing furniture around the clubhouse, and smashed a television.
The Pirates signed him to a minor league deal late in spring training and he had been with Indianapolis most of the year. A month or so ago he opted out of his contract to see if he could get on anyone's major league roster. No one else wanted him, so the Pirates resigned him to another minor league deal. And then with all the other relievers either hurt or sucking or both, they eventually decided to give him a chance in the majors.